Home / 17,658.09-26,466.26-7,776.72

Finding the Fourth Proportional to 17,658.09, 26,466.26 and 7,776.72

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Solution

The fourth proportional to 17,658.09, 26,466.26 and 7,776.72 is: 11,655.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,658.09 : 26,466.26 = 7,776.72 : x
  2. Step 2: Convert to fraction form
    17,658.09/26,466.26 = 7,776.72/x
  3. Step 3: Cross multiply
    17,658.09x = 26,466.26 × 7,776.72
  4. Step 4: Simplify right side
    17,658.09x = 205,820,654.58
  5. Step 5: Solve for x
    x = 205,820,654.58/17,658.09
  6. Step 6: Final answer
    x = 11,655.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.